Hardystonite and Garnet Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.396-3.443
  
3.55-4.33
  
Fracture
Brittle, Metallic
  
Conchoidal, Uneven
  
Cleavage
[001] good, [100] and [110] fair
  
Indistinct
  
Mohs Hardness
3-4
  
6.5-7.5
  
Chemical Composition
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
  
Garnet is a series of several different minerals with unique chemical formulas.
  
Hardystonite and Garnet Chemical Formula
While comparing Hardystonite and Garnet physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Hardystonite and Garnet chemical formula.
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
Hardystonite and Garnet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hardystonite and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Garnet Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 3.55-4.33 whereas that of Garnet is 3.55-4.33.